import Vue from 'vue'
import * as MutationHelpers from '@/yichat.web.share/helpers/vuex/mutationHelpers'
import types from '../mutation-types'
import AgentBotsAPI from '../../api/agentBots'
import InboxesAPI from '../../api/inboxes'
import { throwErrorMessage } from '../utils/api'

export const state = {
  records: [],
  uiFlags: {
    isFetching: false,
    isFetchingItem: false,
    isCreating: false,
    isDeleting: false,
    isUpdating: false,
    isFetchingAgentBot: false,
    isSettingAgentBot: false,
    isDisconnecting: false,
  },
  agentBotInbox: {},
}

export const getters = {
  getBots ($state) {
    return $state.records
  },
  getUIFlags ($state) {
    return $state.uiFlags
  },
  getBot: $state => botId => {
    const [bot] = $state.records.filter(record => record.id === botId)
    return bot || {}
  },
  getActiveAgentBot: $state => inboxId => {
    const associatedAgentBotId = $state.agentBotInbox[inboxId]
    return getters.getBot($state)(associatedAgentBotId)
  },
}

export const actions = {
  get: async ({ commit }) => {
    commit(types.SET_AGENT_BOT_UI_FLAG, { isFetching: true })
    try {
      const response = await AgentBotsAPI.get()
      commit(types.SET_AGENT_BOTS, response.data)
    } catch (error) {
      // Ignore error
    } finally {
      commit(types.SET_AGENT_BOT_UI_FLAG, { isFetching: false })
    }
  },
  create: async ({ commit }, agentBotObj) => {
    commit(types.SET_AGENT_BOT_UI_FLAG, { isCreating: true })
    try {
      const response = await AgentBotsAPI.create(agentBotObj)
      commit(types.ADD_AGENT_BOT, response.data)
      return response.data
    } catch (error) {
      throwErrorMessage(error)
    } finally {
      commit(types.SET_AGENT_BOT_UI_FLAG, { isCreating: false })
    }
    return null
  },
  update: async ({ commit }, { id, ...agentBotObj }) => {
    commit(types.SET_AGENT_BOT_UI_FLAG, { isUpdating: true })
    try {
      const response = await AgentBotsAPI.update(id, agentBotObj)
      commit(types.EDIT_AGENT_BOT, response.data)
    } catch (error) {
      throwErrorMessage(error)
    } finally {
      commit(types.SET_AGENT_BOT_UI_FLAG, { isUpdating: false })
    }
  },
  delete: async ({ commit }, id) => {
    commit(types.SET_AGENT_BOT_UI_FLAG, { isDeleting: true })
    try {
      await AgentBotsAPI.delete(id)
      commit(types.DELETE_AGENT_BOT, id)
    } catch (error) {
      throwErrorMessage(error)
    } finally {
      commit(types.SET_AGENT_BOT_UI_FLAG, { isDeleting: false })
    }
  },
  show: async ({ commit }, id) => {
    commit(types.SET_AGENT_BOT_UI_FLAG, { isFetchingItem: true })
    try {
      const { data } = await AgentBotsAPI.show(id)
      commit(types.ADD_AGENT_BOT, data)
    } catch (error) {
      throwErrorMessage(error)
    } finally {
      commit(types.SET_AGENT_BOT_UI_FLAG, { isFetchingItem: false })
    }
  },

  fetchAgentBotInbox: async ({ commit }, inboxId) => {
    commit(types.SET_AGENT_BOT_UI_FLAG, { isFetchingAgentBot: true })
    try {
      const { data } = await InboxesAPI.getAgentBot(inboxId)
      const { agent_bot: agentBot = {}} = data || {}
      commit(types.SET_AGENT_BOT_INBOX, { agentBotId: agentBot.id, inboxId })
    } catch (error) {
      throwErrorMessage(error)
    } finally {
      commit(types.SET_AGENT_BOT_UI_FLAG, { isFetchingAgentBot: false })
    }
  },

  setAgentBotInbox: async ({ commit }, { inboxId, botId }) => {
    commit(types.SET_AGENT_BOT_UI_FLAG, { isSettingAgentBot: true })
    try {
      await InboxesAPI.setAgentBot(inboxId, botId)
      commit(types.SET_AGENT_BOT_INBOX, { agentBotId: botId, inboxId })
    } catch (error) {
      throwErrorMessage(error)
    } finally {
      commit(types.SET_AGENT_BOT_UI_FLAG, { isSettingAgentBot: false })
    }
  },

  disconnectBot: async ({ commit }, { inboxId }) => {
    commit(types.SET_AGENT_BOT_UI_FLAG, { isDisconnecting: true })
    try {
      await InboxesAPI.setAgentBot(inboxId, null)
      commit(types.SET_AGENT_BOT_INBOX, { agentBotId: '', inboxId })
    } catch (error) {
      throwErrorMessage(error)
    } finally {
      commit(types.SET_AGENT_BOT_UI_FLAG, { isDisconnecting: false })
    }
  },
}

export const mutations = {
  [types.SET_AGENT_BOT_UI_FLAG] ($state, data) {
    $state.uiFlags = {
      ...$state.uiFlags,
      ...data,
    }
  },
  [types.ADD_AGENT_BOT]: MutationHelpers.setSingleRecord,
  [types.SET_AGENT_BOTS]: MutationHelpers.set,
  [types.EDIT_AGENT_BOT]: MutationHelpers.update,
  [types.DELETE_AGENT_BOT]: MutationHelpers.destroy,
  [types.SET_AGENT_BOT_INBOX] ($state, { agentBotId, inboxId }) {
    Vue.set($state.agentBotInbox, inboxId, agentBotId)
  },
}

export default {
  namespaced: true,
  actions,
  state,
  getters,
  mutations,
}
